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Overview
Comment:Update to the latest SQLite 3.8.0 beta in order to test SQLite.
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1:48445291c06ccda96196eb7cd79fef7068c24c96
User & Date: drh 2013-08-19 11:22:14
Context
2013-08-19
11:29
Better enforcement of lexicographical ordering of T cards. check-in: 2979c08271 user: drh tags: trunk
11:22
Update to the latest SQLite 3.8.0 beta in order to test SQLite. check-in: 48445291c0 user: drh tags: trunk
2013-08-18
08:11
No longer reject valid Control artifacts like this one: [ce319b7898] check-in: 55cacfcace user: jan.nijtmans tags: trunk
Changes

Changes to src/shell.c.

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# include <editline/editline.h>
#endif
#if defined(HAVE_READLINE) && HAVE_READLINE==1
# include <readline/readline.h>
# include <readline/history.h>
#endif
#if !defined(HAVE_EDITLINE) && (!defined(HAVE_READLINE) || HAVE_READLINE!=1)
# define readline(p) local_getline(p,stdin,0)
# define add_history(X)
# define read_history(X)
# define write_history(X)
# define stifle_history(X)
#endif

#if defined(_WIN32) || defined(WIN32)
................................................................................

/*
** This routine reads a line of text from FILE in, stores
** the text in memory obtained from malloc() and returns a pointer
** to the text.  NULL is returned at end of file, or if malloc()
** fails.
**
** The interface is like "readline" but no command-line editing
** is done.
*/
static char *local_getline(char *zPrompt, FILE *in, int csvFlag){
  char *zLine;
  int nLine;
  int n;
  int inQuote = 0;

  if( zPrompt && *zPrompt ){
    printf("%s",zPrompt);
    fflush(stdout);
  }
  nLine = 100;
  zLine = malloc( nLine );
  if( zLine==0 ) return 0;
  n = 0;
  while( 1 ){
    if( n+100>nLine ){
      nLine = nLine*2 + 100;
      zLine = realloc(zLine, nLine);
      if( zLine==0 ) return 0;
    }
    if( fgets(&zLine[n], nLine - n, in)==0 ){
................................................................................
      if( n==0 ){
        free(zLine);
        return 0;
      }
      zLine[n] = 0;
      break;
    }
    while( zLine[n] ){
      if( zLine[n]=='"' ) inQuote = !inQuote;
      n++;
    }
    if( n>0 && zLine[n-1]=='\n' && (!inQuote || !csvFlag) ){
      n--;
      if( n>0 && zLine[n-1]=='\r' ) n--;
      zLine[n] = 0;
      break;
    }
  }
  zLine = realloc( zLine, n+1 );
  return zLine;
}

/*
** Retrieve a single line of input text.
**
** zPrior is a string of prior text retrieved.  If not the empty
** string, then issue a continuation prompt.








*/
static char *one_input_line(const char *zPrior, FILE *in){
  char *zPrompt;
  char *zResult;
  if( in!=0 ){
    return local_getline(0, in, 0);
  }
  if( zPrior && zPrior[0] ){
    zPrompt = continuePrompt;
  }else{
    zPrompt = mainPrompt;
  }
  zResult = readline(zPrompt);

#if defined(HAVE_READLINE) && HAVE_READLINE==1


  if( zResult && *zResult ) add_history(zResult);




#endif

  return zResult;
}

struct previous_mode_data {
  int valid;        /* Is there legit data in here? */
  int mode;
  int showHeader;
................................................................................
  if( c=='i' && strncmp(azArg[0], "import", n)==0 && nArg==3 ){
    char *zTable = azArg[2];    /* Insert data into this table */
    char *zFile = azArg[1];     /* Name of file to extra content from */
    sqlite3_stmt *pStmt = NULL; /* A statement */
    int nCol;                   /* Number of columns in the table */
    int nByte;                  /* Number of bytes in an SQL string */
    int i, j;                   /* Loop counters */

    int nSep;                   /* Number of bytes in p->separator[] */
    char *zSql;                 /* An SQL statement */
    CSVReader sCsv;             /* Reader context */
    int (*xCloser)(FILE*);      /* Procedure to close th3 connection */

    seenInterrupt = 0;
    memset(&sCsv, 0, sizeof(sCsv));
................................................................................
    sqlite3_free(zSql);
    if( rc ){
      fprintf(stderr, "Error: %s\n", sqlite3_errmsg(db));
      if (pStmt) sqlite3_finalize(pStmt);
      xCloser(sCsv.in);
      return 1;
    }


    do{
      int startLine = sCsv.nLine;
      for(i=0; i<nCol; i++){
        char *z = csv_read_one_field(&sCsv);
        if( z==0 && i==0 ) break;
        sqlite3_bind_text(pStmt, i+1, z, -1, SQLITE_TRANSIENT);
        if( i<nCol-1 && sCsv.cTerm!=sCsv.cSeparator ){
................................................................................
        }
      }
    }while( sCsv.cTerm!=EOF );

    xCloser(sCsv.in);
    sqlite3_free(sCsv.z);
    sqlite3_finalize(pStmt);
    sqlite3_exec(p->db, "COMMIT", 0, 0, 0);
  }else

  if( c=='i' && strncmp(azArg[0], "indices", n)==0 && nArg<3 ){
    struct callback_data data;
    char *zErrMsg = 0;
    open_db(p);
    memcpy(&data, p, sizeof(data));
................................................................................
  return rc;
}

/*
** Return TRUE if a semicolon occurs anywhere in the first N characters
** of string z[].
*/
static int _contains_semicolon(const char *z, int N){
  int i;
  for(i=0; i<N; i++){  if( z[i]==';' ) return 1; }
  return 0;
}

/*
** Test to see if a line consists entirely of whitespace.
................................................................................
}

/*
** Return TRUE if the line typed in is an SQL command terminator other
** than a semi-colon.  The SQL Server style "go" command is understood
** as is the Oracle "/".
*/
static int _is_command_terminator(const char *zLine){
  while( IsSpace(zLine[0]) ){ zLine++; };
  if( zLine[0]=='/' && _all_whitespace(&zLine[1]) ){
    return 1;  /* Oracle */
  }
  if( ToLower(zLine[0])=='g' && ToLower(zLine[1])=='o'
         && _all_whitespace(&zLine[2]) ){
    return 1;  /* SQL Server */
................................................................................
  return 0;
}

/*
** Return true if zSql is a complete SQL statement.  Return false if it
** ends in the middle of a string literal or C-style comment.
*/
static int _is_complete(char *zSql, int nSql){
  int rc;
  if( zSql==0 ) return 1;
  zSql[nSql] = ';';
  zSql[nSql+1] = 0;
  rc = sqlite3_complete(zSql);
  zSql[nSql] = 0;
  return rc;
................................................................................
** is coming from a file or device.  A prompt is issued and history
** is saved only if input is interactive.  An interrupt signal will
** cause this routine to exit immediately, unless input is interactive.
**
** Return the number of errors.
*/
static int process_input(struct callback_data *p, FILE *in){
  char *zLine = 0;
  char *zSql = 0;

  int nSql = 0;

  int nSqlPrior = 0;
  char *zErrMsg;
  int rc;

  int errCnt = 0;
  int lineno = 0;
  int startline = 0;

  while( errCnt==0 || !bail_on_error || (in==0 && stdin_is_interactive) ){
    fflush(p->out);
    free(zLine);
    zLine = one_input_line(zSql, in);
    if( zLine==0 ){
      /* End of input */
      if( stdin_is_interactive ) printf("\n");
      break;
    }
    if( seenInterrupt ){
      if( in!=0 ) break;
      seenInterrupt = 0;
    }
    lineno++;
    if( (zSql==0 || zSql[0]==0) && _all_whitespace(zLine) ) continue;
    if( zLine && zLine[0]=='.' && nSql==0 ){
      if( p->echoOn ) printf("%s\n", zLine);
      rc = do_meta_command(zLine, p);
      if( rc==2 ){ /* exit requested */
        break;
      }else if( rc ){
        errCnt++;
      }
      continue;
    }
    if( _is_command_terminator(zLine) && _is_complete(zSql, nSql) ){
      memcpy(zLine,";",2);
    }
    nSqlPrior = nSql;
    if( zSql==0 ){
      int i;
      for(i=0; zLine[i] && IsSpace(zLine[i]); i++){}
      if( zLine[i]!=0 ){
        nSql = strlen30(zLine);
        zSql = malloc( nSql+3 );



        if( zSql==0 ){
          fprintf(stderr, "Error: out of memory\n");
          exit(1);
        }






        memcpy(zSql, zLine, nSql+1);
        startline = lineno;
      }

    }else{
      int len = strlen30(zLine);
      zSql = realloc( zSql, nSql + len + 4 );
      if( zSql==0 ){
        fprintf(stderr,"Error: out of memory\n");
        exit(1);
      }
      zSql[nSql++] = '\n';
      memcpy(&zSql[nSql], zLine, len+1);

      nSql += len;
    }
    if( zSql && _contains_semicolon(&zSql[nSqlPrior], nSql-nSqlPrior)
                && sqlite3_complete(zSql) ){
      p->cnt = 0;
      open_db(p);
      BEGIN_TIMER;
      rc = shell_exec(p->db, zSql, shell_callback, p, &zErrMsg);
      END_TIMER;
      if( rc || zErrMsg ){
................................................................................
          sqlite3_free(zErrMsg);
          zErrMsg = 0;
        }else{
          fprintf(stderr, "%s %s\n", zPrefix, sqlite3_errmsg(p->db));
        }
        errCnt++;
      }
      free(zSql);
      zSql = 0;
      nSql = 0;
    }else if( zSql && _all_whitespace(zSql) ){
      free(zSql);
      zSql = 0;
      nSql = 0;
    }
  }
  if( zSql ){
    if( !_all_whitespace(zSql) ){
      fprintf(stderr, "Error: incomplete SQL: %s\n", zSql);
    }
    free(zSql);
  }
  free(zLine);
  return errCnt>0;







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# include <editline/editline.h>
#endif
#if defined(HAVE_READLINE) && HAVE_READLINE==1
# include <readline/readline.h>
# include <readline/history.h>
#endif
#if !defined(HAVE_EDITLINE) && (!defined(HAVE_READLINE) || HAVE_READLINE!=1)

# define add_history(X)
# define read_history(X)
# define write_history(X)
# define stifle_history(X)
#endif

#if defined(_WIN32) || defined(WIN32)
................................................................................

/*
** This routine reads a line of text from FILE in, stores
** the text in memory obtained from malloc() and returns a pointer
** to the text.  NULL is returned at end of file, or if malloc()
** fails.
**
** If zLine is not NULL then it is a malloced buffer returned from
** a previous call to this routine that may be reused.
*/
static char *local_getline(char *zLine, FILE *in){

  int nLine = zLine==0 ? 0 : 100;
  int n = 0;










  while( 1 ){
    if( n+100>nLine ){
      nLine = nLine*2 + 100;
      zLine = realloc(zLine, nLine);
      if( zLine==0 ) return 0;
    }
    if( fgets(&zLine[n], nLine - n, in)==0 ){
................................................................................
      if( n==0 ){
        free(zLine);
        return 0;
      }
      zLine[n] = 0;
      break;
    }
    while( zLine[n] ) n++;



    if( n>0 && zLine[n-1]=='\n' ){
      n--;
      if( n>0 && zLine[n-1]=='\r' ) n--;
      zLine[n] = 0;
      break;
    }
  }

  return zLine;
}

/*
** Retrieve a single line of input text.
**
** If in==0 then read from standard input and prompt before each line.
** If isContinuation is true, then a continuation prompt is appropriate.
** If isContinuation is zero, then the main prompt should be used.
**
** If zPrior is not NULL then it is a buffer from a prior call to this
** routine that can be reused.
**
** The result is stored in space obtained from malloc() and must either
** be freed by the caller or else passed back into this routine via the
** zPrior argument for reuse.
*/
static char *one_input_line(FILE *in, char *zPrior, int isContinuation){
  char *zPrompt;
  char *zResult;
  if( in!=0 ){
    zResult = local_getline(zPrior, in);



  }else{



    zPrompt = isContinuation ? continuePrompt : mainPrompt;
#if defined(HAVE_READLINE) && HAVE_READLINE==1
    free(zPrior);
    zResult = readline(zPrompt);
    if( zResult && *zResult ) add_history(zResult);
#else
    printf("%s", zPrompt);
    fflush(stdout);
    zResult = local_getline(zPrior, stdin);
#endif
  }
  return zResult;
}

struct previous_mode_data {
  int valid;        /* Is there legit data in here? */
  int mode;
  int showHeader;
................................................................................
  if( c=='i' && strncmp(azArg[0], "import", n)==0 && nArg==3 ){
    char *zTable = azArg[2];    /* Insert data into this table */
    char *zFile = azArg[1];     /* Name of file to extra content from */
    sqlite3_stmt *pStmt = NULL; /* A statement */
    int nCol;                   /* Number of columns in the table */
    int nByte;                  /* Number of bytes in an SQL string */
    int i, j;                   /* Loop counters */
    int needCommit;             /* True to COMMIT or ROLLBACK at end */
    int nSep;                   /* Number of bytes in p->separator[] */
    char *zSql;                 /* An SQL statement */
    CSVReader sCsv;             /* Reader context */
    int (*xCloser)(FILE*);      /* Procedure to close th3 connection */

    seenInterrupt = 0;
    memset(&sCsv, 0, sizeof(sCsv));
................................................................................
    sqlite3_free(zSql);
    if( rc ){
      fprintf(stderr, "Error: %s\n", sqlite3_errmsg(db));
      if (pStmt) sqlite3_finalize(pStmt);
      xCloser(sCsv.in);
      return 1;
    }
    needCommit = sqlite3_get_autocommit(db);
    if( needCommit ) sqlite3_exec(db, "BEGIN", 0, 0, 0);
    do{
      int startLine = sCsv.nLine;
      for(i=0; i<nCol; i++){
        char *z = csv_read_one_field(&sCsv);
        if( z==0 && i==0 ) break;
        sqlite3_bind_text(pStmt, i+1, z, -1, SQLITE_TRANSIENT);
        if( i<nCol-1 && sCsv.cTerm!=sCsv.cSeparator ){
................................................................................
        }
      }
    }while( sCsv.cTerm!=EOF );

    xCloser(sCsv.in);
    sqlite3_free(sCsv.z);
    sqlite3_finalize(pStmt);
    if( needCommit ) sqlite3_exec(db, "COMMIT", 0, 0, 0);
  }else

  if( c=='i' && strncmp(azArg[0], "indices", n)==0 && nArg<3 ){
    struct callback_data data;
    char *zErrMsg = 0;
    open_db(p);
    memcpy(&data, p, sizeof(data));
................................................................................
  return rc;
}

/*
** Return TRUE if a semicolon occurs anywhere in the first N characters
** of string z[].
*/
static int line_contains_semicolon(const char *z, int N){
  int i;
  for(i=0; i<N; i++){  if( z[i]==';' ) return 1; }
  return 0;
}

/*
** Test to see if a line consists entirely of whitespace.
................................................................................
}

/*
** Return TRUE if the line typed in is an SQL command terminator other
** than a semi-colon.  The SQL Server style "go" command is understood
** as is the Oracle "/".
*/
static int line_is_command_terminator(const char *zLine){
  while( IsSpace(zLine[0]) ){ zLine++; };
  if( zLine[0]=='/' && _all_whitespace(&zLine[1]) ){
    return 1;  /* Oracle */
  }
  if( ToLower(zLine[0])=='g' && ToLower(zLine[1])=='o'
         && _all_whitespace(&zLine[2]) ){
    return 1;  /* SQL Server */
................................................................................
  return 0;
}

/*
** Return true if zSql is a complete SQL statement.  Return false if it
** ends in the middle of a string literal or C-style comment.
*/
static int line_is_complete(char *zSql, int nSql){
  int rc;
  if( zSql==0 ) return 1;
  zSql[nSql] = ';';
  zSql[nSql+1] = 0;
  rc = sqlite3_complete(zSql);
  zSql[nSql] = 0;
  return rc;
................................................................................
** is coming from a file or device.  A prompt is issued and history
** is saved only if input is interactive.  An interrupt signal will
** cause this routine to exit immediately, unless input is interactive.
**
** Return the number of errors.
*/
static int process_input(struct callback_data *p, FILE *in){
  char *zLine = 0;          /* A single input line */
  char *zSql = 0;           /* Accumulated SQL text */
  int nLine;                /* Length of current line */
  int nSql = 0;             /* Bytes of zSql[] used */
  int nAlloc = 0;           /* Allocated zSql[] space */
  int nSqlPrior = 0;        /* Bytes of zSql[] used by prior line */
  char *zErrMsg;            /* Error message returned */

  int rc;                   /* Error code */
  int errCnt = 0;           /* Number of errors seen */
  int lineno = 0;           /* Current line number */
  int startline = 0;        /* Line number for start of current input */

  while( errCnt==0 || !bail_on_error || (in==0 && stdin_is_interactive) ){
    fflush(p->out);

    zLine = one_input_line(in, zLine, nSql>0);
    if( zLine==0 ){
      /* End of input */
      if( stdin_is_interactive ) printf("\n");
      break;
    }
    if( seenInterrupt ){
      if( in!=0 ) break;
      seenInterrupt = 0;
    }
    lineno++;
    if( nSql==0 && _all_whitespace(zLine) ) continue;
    if( zLine && zLine[0]=='.' && nSql==0 ){
      if( p->echoOn ) printf("%s\n", zLine);
      rc = do_meta_command(zLine, p);
      if( rc==2 ){ /* exit requested */
        break;
      }else if( rc ){
        errCnt++;
      }
      continue;
    }
    if( line_is_command_terminator(zLine) && line_is_complete(zSql, nSql) ){
      memcpy(zLine,";",2);
    }





    nLine = strlen30(zLine);

    if( nSql+nLine+2>=nAlloc ){
      nAlloc = nSql+nLine+100;
      zSql = realloc(zSql, nAlloc);
      if( zSql==0 ){
        fprintf(stderr, "Error: out of memory\n");
        exit(1);
      }
    }
    nSqlPrior = nSql;
    if( nSql==0 ){
      int i;
      for(i=0; zLine[i] && IsSpace(zLine[i]); i++){}
      assert( nAlloc>0 && zSql!=0 );
      memcpy(zSql, zLine+i, nLine+1-i);
      startline = lineno;

      nSql = nLine-i;
    }else{






      zSql[nSql++] = '\n';

      memcpy(zSql+nSql, zLine, nLine+1);
      nSql += nLine;
    }
    if( nSql && line_contains_semicolon(&zSql[nSqlPrior], nSql-nSqlPrior)
                && sqlite3_complete(zSql) ){
      p->cnt = 0;
      open_db(p);
      BEGIN_TIMER;
      rc = shell_exec(p->db, zSql, shell_callback, p, &zErrMsg);
      END_TIMER;
      if( rc || zErrMsg ){
................................................................................
          sqlite3_free(zErrMsg);
          zErrMsg = 0;
        }else{
          fprintf(stderr, "%s %s\n", zPrefix, sqlite3_errmsg(p->db));
        }
        errCnt++;
      }


      nSql = 0;
    }else if( nSql && _all_whitespace(zSql) ){


      nSql = 0;
    }
  }
  if( nSql ){
    if( !_all_whitespace(zSql) ){
      fprintf(stderr, "Error: incomplete SQL: %s\n", zSql);
    }
    free(zSql);
  }
  free(zLine);
  return errCnt>0;

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**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.8.0"
#define SQLITE_VERSION_NUMBER 3008000
#define SQLITE_SOURCE_ID      "2013-08-15 22:40:21 f2d175f975cd0be63425424ec322a98fb650019e"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version, sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
#define BTREE_MEMORY        2  /* This is an in-memory DB */
#define BTREE_SINGLE        4  /* The file contains at most 1 b-tree */
#define BTREE_UNORDERED     8  /* Use of a hash implementation is OK */

SQLITE_PRIVATE int sqlite3BtreeClose(Btree*);
SQLITE_PRIVATE int sqlite3BtreeSetCacheSize(Btree*,int);
SQLITE_PRIVATE int sqlite3BtreeSetMmapLimit(Btree*,sqlite3_int64);
SQLITE_PRIVATE int sqlite3BtreeSetSafetyLevel(Btree*,int,int,int);
SQLITE_PRIVATE int sqlite3BtreeSyncDisabled(Btree*);
SQLITE_PRIVATE int sqlite3BtreeSetPageSize(Btree *p, int nPagesize, int nReserve, int eFix);
SQLITE_PRIVATE int sqlite3BtreeGetPageSize(Btree*);
SQLITE_PRIVATE int sqlite3BtreeMaxPageCount(Btree*,int);
SQLITE_PRIVATE u32 sqlite3BtreeLastPage(Btree*);
SQLITE_PRIVATE int sqlite3BtreeSecureDelete(Btree*,int);
SQLITE_PRIVATE int sqlite3BtreeGetReserve(Btree*);
................................................................................

/*
** Flags that make up the mask passed to sqlite3PagerAcquire().
*/
#define PAGER_ACQUIRE_NOCONTENT     0x01  /* Do not load data from disk */
#define PAGER_ACQUIRE_READONLY      0x02  /* Read-only page is acceptable */













/*
** The remainder of this file contains the declarations of the functions
** that make up the Pager sub-system API. See source code comments for 
** a detailed description of each routine.
*/

/* Open and close a Pager connection. */ 
................................................................................
/* Functions used to configure a Pager object. */
SQLITE_PRIVATE void sqlite3PagerSetBusyhandler(Pager*, int(*)(void *), void *);
SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager*, u32*, int);
SQLITE_PRIVATE int sqlite3PagerMaxPageCount(Pager*, int);
SQLITE_PRIVATE void sqlite3PagerSetCachesize(Pager*, int);
SQLITE_PRIVATE void sqlite3PagerSetMmapLimit(Pager *, sqlite3_int64);
SQLITE_PRIVATE void sqlite3PagerShrink(Pager*);
SQLITE_PRIVATE void sqlite3PagerSetSafetyLevel(Pager*,int,int,int);
SQLITE_PRIVATE int sqlite3PagerLockingMode(Pager *, int);
SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *, int);
SQLITE_PRIVATE int sqlite3PagerGetJournalMode(Pager*);
SQLITE_PRIVATE int sqlite3PagerOkToChangeJournalMode(Pager*);
SQLITE_PRIVATE i64 sqlite3PagerJournalSizeLimit(Pager *, i64);
SQLITE_PRIVATE sqlite3_backup **sqlite3PagerBackupPtr(Pager*);

................................................................................
#define ENC(db) ((db)->aDb[0].pSchema->enc)

/*
** Possible values for the sqlite3.flags.
*/
#define SQLITE_VdbeTrace      0x00000001  /* True to trace VDBE execution */
#define SQLITE_InternChanges  0x00000002  /* Uncommitted Hash table changes */



#define SQLITE_FullColNames   0x00000004  /* Show full column names on SELECT */
#define SQLITE_ShortColNames  0x00000008  /* Show short columns names */
#define SQLITE_CountRows      0x00000010  /* Count rows changed by INSERT, */
                                          /*   DELETE, or UPDATE and return */
                                          /*   the count using a callback. */
#define SQLITE_NullCallback   0x00000020  /* Invoke the callback once if the */
                                          /*   result set is empty */
#define SQLITE_SqlTrace       0x00000040  /* Debug print SQL as it executes */
#define SQLITE_VdbeListing    0x00000080  /* Debug listings of VDBE programs */
#define SQLITE_WriteSchema    0x00000100  /* OK to update SQLITE_MASTER */
#define SQLITE_VdbeAddopTrace 0x00000200  /* Trace sqlite3VdbeAddOp() calls */
#define SQLITE_IgnoreChecks   0x00000400  /* Do not enforce check constraints */
#define SQLITE_ReadUncommitted 0x0000800  /* For shared-cache mode */
#define SQLITE_LegacyFileFmt  0x00001000  /* Create new databases in format 1 */
#define SQLITE_FullFSync      0x00002000  /* Use full fsync on the backend */
#define SQLITE_CkptFullFSync  0x00004000  /* Use full fsync for checkpoint */
#define SQLITE_RecoveryMode   0x00008000  /* Ignore schema errors */
#define SQLITE_ReverseOrder   0x00010000  /* Reverse unordered SELECTs */
#define SQLITE_RecTriggers    0x00020000  /* Enable recursive triggers */
#define SQLITE_ForeignKeys    0x00040000  /* Enforce foreign key constraints  */
#define SQLITE_AutoIndex      0x00080000  /* Enable automatic indexes */
#define SQLITE_PreferBuiltin  0x00100000  /* Preference to built-in funcs */
#define SQLITE_LoadExtension  0x00200000  /* Enable load_extension */
#define SQLITE_EnableTrigger  0x00400000  /* True to enable triggers */
#define SQLITE_DeferFKs       0x00800000  /* Defer all FK constraints */
#define SQLITE_QueryOnly      0x01000000  /* Disable database changes */


/*
** Bits of the sqlite3.dbOptFlags field that are used by the
** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to
** selectively disable various optimizations.
*/
................................................................................
  Pgno nOrig;                  /* Original number of pages in file */
  Pgno iSubRec;                /* Index of first record in sub-journal */
#ifndef SQLITE_OMIT_WAL
  u32 aWalData[WAL_SAVEPOINT_NDATA];        /* WAL savepoint context */
#endif
};








/*
** A open page cache is an instance of struct Pager. A description of
** some of the more important member variables follows:
**
** eState
**
**   The current 'state' of the pager object. See the comment and state
................................................................................
**   subsequently interrupted transaction that reuses the journal file.
**
**   The flag is cleared as soon as the journal file is finalized (either
**   by PagerCommitPhaseTwo or PagerRollback). If an IO error prevents the
**   journal file from being successfully finalized, the setMaster flag
**   is cleared anyway (and the pager will move to ERROR state).
**
** doNotSpill, doNotSyncSpill
**
**   These two boolean variables control the behavior of cache-spills
**   (calls made by the pcache module to the pagerStress() routine to
**   write cached data to the file-system in order to free up memory).
**

**   When doNotSpill is non-zero, writing to the database from pagerStress()
**   is disabled altogether. This is done in a very obscure case that
**   comes up during savepoint rollback that requires the pcache module
**   to allocate a new page to prevent the journal file from being written
**   while it is being traversed by code in pager_playback().

** 
**   If doNotSyncSpill is non-zero, writing to the database from pagerStress()
**   is permitted, but syncing the journal file is not. This flag is set
**   by sqlite3PagerWrite() when the file-system sector-size is larger than
**   the database page-size in order to prevent a journal sync from happening 
**   in between the journalling of two pages on the same sector. 
**
** subjInMemory
**
................................................................................
  ** "configuration" of the pager.
  */
  u8 eState;                  /* Pager state (OPEN, READER, WRITER_LOCKED..) */
  u8 eLock;                   /* Current lock held on database file */
  u8 changeCountDone;         /* Set after incrementing the change-counter */
  u8 setMaster;               /* True if a m-j name has been written to jrnl */
  u8 doNotSpill;              /* Do not spill the cache when non-zero */
  u8 doNotSyncSpill;          /* Do not do a spill that requires jrnl sync */
  u8 subjInMemory;            /* True to use in-memory sub-journals */
  Pgno dbSize;                /* Number of pages in the database */
  Pgno dbOrigSize;            /* dbSize before the current transaction */
  Pgno dbFileSize;            /* Number of pages in the database file */
  Pgno dbHintSize;            /* Value passed to FCNTL_SIZE_HINT call */
  int errCode;                /* One of several kinds of errors */
  int nRec;                   /* Pages journalled since last j-header written */
................................................................................
    **
    ** The solution is to add an in-memory page to the cache containing
    ** the data just read from the sub-journal. Mark the page as dirty 
    ** and if the pager requires a journal-sync, then mark the page as 
    ** requiring a journal-sync before it is written.
    */
    assert( isSavepnt );
    assert( pPager->doNotSpill==0 );
    pPager->doNotSpill++;
    rc = sqlite3PagerAcquire(pPager, pgno, &pPg, 1);
    assert( pPager->doNotSpill==1 );
    pPager->doNotSpill--;
    if( rc!=SQLITE_OK ) return rc;
    pPg->flags &= ~PGHDR_NEED_READ;
    sqlite3PcacheMakeDirty(pPg);
  }
  if( pPg ){
    /* No page should ever be explicitly rolled back that is in use, except
    ** for page 1 which is held in use in order to keep the lock on the
................................................................................
** Free as much memory as possible from the pager.
*/
SQLITE_PRIVATE void sqlite3PagerShrink(Pager *pPager){
  sqlite3PcacheShrink(pPager->pPCache);
}

/*



** Adjust the robustness of the database to damage due to OS crashes
** or power failures by changing the number of syncs()s when writing
** the rollback journal.  There are three levels:
**
**    OFF       sqlite3OsSync() is never called.  This is the default
**              for temporary and transient files.
**
**    NORMAL    The journal is synced once before writes begin on the
**              database.  This is normally adequate protection, but
**              it is theoretically possible, though very unlikely,
................................................................................
** synchronous=FULL versus synchronous=NORMAL setting determines when
** the xSync primitive is called and is relevant to all platforms.
**
** Numeric values associated with these states are OFF==1, NORMAL=2,
** and FULL=3.
*/
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
SQLITE_PRIVATE void sqlite3PagerSetSafetyLevel(
  Pager *pPager,        /* The pager to set safety level for */
  int level,            /* PRAGMA synchronous.  1=OFF, 2=NORMAL, 3=FULL */  
  int bFullFsync,       /* PRAGMA fullfsync */
  int bCkptFullFsync    /* PRAGMA checkpoint_fullfsync */
){

  assert( level>=1 && level<=3 );
  pPager->noSync =  (level==1 || pPager->tempFile) ?1:0;
  pPager->fullSync = (level==3 && !pPager->tempFile) ?1:0;
  if( pPager->noSync ){
    pPager->syncFlags = 0;
    pPager->ckptSyncFlags = 0;
  }else if( bFullFsync ){
    pPager->syncFlags = SQLITE_SYNC_FULL;
    pPager->ckptSyncFlags = SQLITE_SYNC_FULL;
  }else if( bCkptFullFsync ){
    pPager->syncFlags = SQLITE_SYNC_NORMAL;
    pPager->ckptSyncFlags = SQLITE_SYNC_FULL;
  }else{
    pPager->syncFlags = SQLITE_SYNC_NORMAL;
    pPager->ckptSyncFlags = SQLITE_SYNC_NORMAL;
  }
  pPager->walSyncFlags = pPager->syncFlags;
  if( pPager->fullSync ){
    pPager->walSyncFlags |= WAL_SYNC_TRANSACTIONS;
  }





}
#endif

/*
** The following global variable is incremented whenever the library
** attempts to open a temporary file.  This information is used for
** testing and analysis only.  
................................................................................
static int pagerStress(void *p, PgHdr *pPg){
  Pager *pPager = (Pager *)p;
  int rc = SQLITE_OK;

  assert( pPg->pPager==pPager );
  assert( pPg->flags&PGHDR_DIRTY );

  /* The doNotSyncSpill flag is set during times when doing a sync of
  ** journal (and adding a new header) is not allowed.  This occurs
  ** during calls to sqlite3PagerWrite() while trying to journal multiple
  ** pages belonging to the same sector.
  **
  ** The doNotSpill flag inhibits all cache spilling regardless of whether
  ** or not a sync is required.  This is set during a rollback.

  **
  ** Spilling is also prohibited when in an error state since that could
  ** lead to database corruption.   In the current implementaton it 
  ** is impossible for sqlite3PcacheFetch() to be called with createFlag==1
  ** while in the error state, hence it is impossible for this routine to
  ** be called in the error state.  Nevertheless, we include a NEVER()
  ** test for the error state as a safeguard against future changes.
  */
  if( NEVER(pPager->errCode) ) return SQLITE_OK;



  if( pPager->doNotSpill ) return SQLITE_OK;

  if( pPager->doNotSyncSpill && (pPg->flags & PGHDR_NEED_SYNC)!=0 ){

    return SQLITE_OK;
  }

  pPg->pDirty = 0;
  if( pagerUseWal(pPager) ){
    /* Write a single frame for this page to the log. */
    if( subjRequiresPage(pPg) ){ 
................................................................................
  if( nPagePerSector>1 ){
    Pgno nPageCount;          /* Total number of pages in database file */
    Pgno pg1;                 /* First page of the sector pPg is located on. */
    int nPage = 0;            /* Number of pages starting at pg1 to journal */
    int ii;                   /* Loop counter */
    int needSync = 0;         /* True if any page has PGHDR_NEED_SYNC */

    /* Set the doNotSyncSpill flag to 1. This is because we cannot allow
    ** a journal header to be written between the pages journaled by
    ** this function.
    */
    assert( !MEMDB );
    assert( pPager->doNotSyncSpill==0 );
    pPager->doNotSyncSpill++;

    /* This trick assumes that both the page-size and sector-size are
    ** an integer power of 2. It sets variable pg1 to the identifier
    ** of the first page of the sector pPg is located on.
    */
    pg1 = ((pPg->pgno-1) & ~(nPagePerSector-1)) + 1;

................................................................................
        if( pPage ){
          pPage->flags |= PGHDR_NEED_SYNC;
          sqlite3PagerUnref(pPage);
        }
      }
    }

    assert( pPager->doNotSyncSpill==1 );
    pPager->doNotSyncSpill--;
  }else{
    rc = pager_write(pDbPage);
  }
  return rc;
}

/*
................................................................................
** how well the database resists damage due to OS crashes and power
** failures.  Level 1 is the same as asynchronous (no syncs() occur and
** there is a high probability of damage)  Level 2 is the default.  There
** is a very low but non-zero probability of damage.  Level 3 reduces the
** probability of damage to near zero but with a write performance reduction.
*/
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
SQLITE_PRIVATE int sqlite3BtreeSetSafetyLevel(
  Btree *p,              /* The btree to set the safety level on */
  int level,             /* PRAGMA synchronous.  1=OFF, 2=NORMAL, 3=FULL */
  int fullSync,          /* PRAGMA fullfsync. */
  int ckptFullSync       /* PRAGMA checkpoint_fullfync */
){
  BtShared *pBt = p->pBt;
  assert( sqlite3_mutex_held(p->db->mutex) );
  assert( level>=1 && level<=3 );
  sqlite3BtreeEnter(p);
  sqlite3PagerSetSafetyLevel(pBt->pPager, level, fullSync, ckptFullSync);

  sqlite3BtreeLeave(p);
  return SQLITE_OK;
}
#endif

/*
** Return TRUE if the given btree is set to safety level 1.  In other
................................................................................
  }

  /* This is the only way out of this procedure.  We have to
  ** release the mutexes on btrees that were acquired at the
  ** top. */
vdbe_return:
  db->lastRowid = lastRowid;

  p->aCounter[SQLITE_STMTSTATUS_VM_STEP-1] += (int)nVmStep;
  sqlite3VdbeLeave(p);
  return rc;

  /* Jump to here if a string or blob larger than SQLITE_MAX_LENGTH
  ** is encountered.
  */
................................................................................
        "attached databases must use the same text encoding as main database");
      rc = SQLITE_ERROR;
    }
    pPager = sqlite3BtreePager(aNew->pBt);
    sqlite3PagerLockingMode(pPager, db->dfltLockMode);
    sqlite3BtreeSecureDelete(aNew->pBt,
                             sqlite3BtreeSecureDelete(db->aDb[0].pBt,-1) );

  }
  aNew->safety_level = 3;
  aNew->zName = sqlite3DbStrDup(db, zName);
  if( rc==SQLITE_OK && aNew->zName==0 ){
    rc = SQLITE_NOMEM;
  }

................................................................................
    sqlite3BeginWriteOperation(pParse, 1, iDb);
    sqlite3VdbeAddOp2(v, OP_CreateIndex, iDb, iMem);

    /* Gather the complete text of the CREATE INDEX statement into
    ** the zStmt variable
    */
    if( pStart ){
      int n = (pParse->sLastToken.z - pName->z) + pParse->sLastToken.n;
      if( pName->z[n-1]==';' ) n--;
      /* A named index with an explicit CREATE INDEX statement */
      zStmt = sqlite3MPrintf(db, "CREATE%s INDEX %.*s",
        onError==OE_None ? "" : " UNIQUE", n, pName->z);
    }else{
      /* An automatic index created by a PRIMARY KEY or UNIQUE constraint */
      /* zStmt = sqlite3MPrintf(""); */
................................................................................
    memcpy(pI64, &value, sizeof(value));
  }
  sqlite3VdbeAddOp4(v, OP_Int64, 0, mem, 0, (char*)pI64, P4_INT64);
  sqlite3VdbeSetNumCols(v, 1);
  sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLabel, SQLITE_STATIC);
  sqlite3VdbeAddOp2(v, OP_ResultRow, mem, 1);
}





























#ifndef SQLITE_OMIT_FLAG_PRAGMAS
/*
** Check to see if zRight and zLeft refer to a pragma that queries
** or changes one of the flags in db->flags.  Return 1 if so and 0 if not.
** Also, implement the pragma.
*/
................................................................................
    { "full_column_names",        SQLITE_FullColNames  },
    { "short_column_names",       SQLITE_ShortColNames },
    { "count_changes",            SQLITE_CountRows     },
    { "empty_result_callbacks",   SQLITE_NullCallback  },
    { "legacy_file_format",       SQLITE_LegacyFileFmt },
    { "fullfsync",                SQLITE_FullFSync     },
    { "checkpoint_fullfsync",     SQLITE_CkptFullFSync },

    { "reverse_unordered_selects", SQLITE_ReverseOrder  },
    { "query_only",               SQLITE_QueryOnly     },
#ifndef SQLITE_OMIT_AUTOMATIC_INDEX
    { "automatic_index",          SQLITE_AutoIndex     },
#endif
#ifdef SQLITE_DEBUG
    { "sql_trace",                SQLITE_SqlTrace      },
................................................................................
      returnSingleInt(pParse, "synchronous", pDb->safety_level-1);
    }else{
      if( !db->autoCommit ){
        sqlite3ErrorMsg(pParse, 
            "Safety level may not be changed inside a transaction");
      }else{
        pDb->safety_level = getSafetyLevel(zRight,0,1)+1;

      }
    }
  }else
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */

#ifndef SQLITE_OMIT_FLAG_PRAGMAS
  if( flagPragma(pParse, zLeft, zRight) ){
    /* The flagPragma() subroutine also generates any necessary code
    ** there is nothing more to do here */
  }else
#endif /* SQLITE_OMIT_FLAG_PRAGMAS */

#ifndef SQLITE_OMIT_SCHEMA_PRAGMAS
  /*
  **   PRAGMA table_info(<table>)
  **
................................................................................
#endif
  }else
#endif

 
  {/* Empty ELSE clause */}

  /*
  ** Reset the safety level, in case the fullfsync flag or synchronous
  ** setting changed.
  */
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
  if( db->autoCommit ){
    sqlite3BtreeSetSafetyLevel(pDb->pBt, pDb->safety_level,
               (db->flags&SQLITE_FullFSync)!=0,
               (db->flags&SQLITE_CkptFullFSync)!=0);
  }
#endif
pragma_out:
  sqlite3DbFree(db, zLeft);
  sqlite3DbFree(db, zRight);
}

#endif /* SQLITE_OMIT_PRAGMA */

................................................................................
  WhereOrSet sSum, sCur, sPrev;
  struct SrcList_item *pItem;
  
  pWC = pBuilder->pWC;
  if( pWInfo->wctrlFlags & WHERE_AND_ONLY ) return SQLITE_OK;
  pWCEnd = pWC->a + pWC->nTerm;
  pNew = pBuilder->pNew;


  for(pTerm=pWC->a; pTerm<pWCEnd && rc==SQLITE_OK; pTerm++){
    if( (pTerm->eOperator & WO_OR)!=0
     && (pTerm->u.pOrInfo->indexable & pNew->maskSelf)!=0 
    ){
      WhereClause * const pOrWC = &pTerm->u.pOrInfo->wc;
      WhereTerm * const pOrWCEnd = &pOrWC->a[pOrWC->nTerm];
................................................................................

  assert( sizeof(db->aLimit)==sizeof(aHardLimit) );
  memcpy(db->aLimit, aHardLimit, sizeof(db->aLimit));
  db->autoCommit = 1;
  db->nextAutovac = -1;
  db->szMmap = sqlite3GlobalConfig.szMmap;
  db->nextPagesize = 0;
  db->flags |= SQLITE_ShortColNames | SQLITE_EnableTrigger
#if !defined(SQLITE_DEFAULT_AUTOMATIC_INDEX) || SQLITE_DEFAULT_AUTOMATIC_INDEX
                 | SQLITE_AutoIndex
#endif
#if SQLITE_DEFAULT_FILE_FORMAT<4
                 | SQLITE_LegacyFileFmt
#endif
#ifdef SQLITE_ENABLE_LOAD_EXTENSION







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....
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......
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**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.8.0"
#define SQLITE_VERSION_NUMBER 3008000
#define SQLITE_SOURCE_ID      "2013-08-19 11:15:48 a0d9ca4f07f1dc3a189864f8ed9cdb0b1d791b1a"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version, sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
#define BTREE_MEMORY        2  /* This is an in-memory DB */
#define BTREE_SINGLE        4  /* The file contains at most 1 b-tree */
#define BTREE_UNORDERED     8  /* Use of a hash implementation is OK */

SQLITE_PRIVATE int sqlite3BtreeClose(Btree*);
SQLITE_PRIVATE int sqlite3BtreeSetCacheSize(Btree*,int);
SQLITE_PRIVATE int sqlite3BtreeSetMmapLimit(Btree*,sqlite3_int64);
SQLITE_PRIVATE int sqlite3BtreeSetPagerFlags(Btree*,unsigned);
SQLITE_PRIVATE int sqlite3BtreeSyncDisabled(Btree*);
SQLITE_PRIVATE int sqlite3BtreeSetPageSize(Btree *p, int nPagesize, int nReserve, int eFix);
SQLITE_PRIVATE int sqlite3BtreeGetPageSize(Btree*);
SQLITE_PRIVATE int sqlite3BtreeMaxPageCount(Btree*,int);
SQLITE_PRIVATE u32 sqlite3BtreeLastPage(Btree*);
SQLITE_PRIVATE int sqlite3BtreeSecureDelete(Btree*,int);
SQLITE_PRIVATE int sqlite3BtreeGetReserve(Btree*);
................................................................................

/*
** Flags that make up the mask passed to sqlite3PagerAcquire().
*/
#define PAGER_ACQUIRE_NOCONTENT     0x01  /* Do not load data from disk */
#define PAGER_ACQUIRE_READONLY      0x02  /* Read-only page is acceptable */

/*
** Flags for sqlite3PagerSetFlags()
*/
#define PAGER_SYNCHRONOUS_OFF       0x01  /* PRAGMA synchronous=OFF */
#define PAGER_SYNCHRONOUS_NORMAL    0x02  /* PRAGMA synchronous=NORMAL */
#define PAGER_SYNCHRONOUS_FULL      0x03  /* PRAGMA synchronous=FULL */
#define PAGER_SYNCHRONOUS_MASK      0x03  /* Mask for three values above */
#define PAGER_FULLFSYNC             0x04  /* PRAGMA fullfsync=ON */
#define PAGER_CKPT_FULLFSYNC        0x08  /* PRAGMA checkpoint_fullfsync=ON */
#define PAGER_CACHESPILL            0x10  /* PRAGMA cache_spill=ON */
#define PAGER_FLAGS_MASK            0x1c  /* All above except SYNCHRONOUS */

/*
** The remainder of this file contains the declarations of the functions
** that make up the Pager sub-system API. See source code comments for 
** a detailed description of each routine.
*/

/* Open and close a Pager connection. */ 
................................................................................
/* Functions used to configure a Pager object. */
SQLITE_PRIVATE void sqlite3PagerSetBusyhandler(Pager*, int(*)(void *), void *);
SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager*, u32*, int);
SQLITE_PRIVATE int sqlite3PagerMaxPageCount(Pager*, int);
SQLITE_PRIVATE void sqlite3PagerSetCachesize(Pager*, int);
SQLITE_PRIVATE void sqlite3PagerSetMmapLimit(Pager *, sqlite3_int64);
SQLITE_PRIVATE void sqlite3PagerShrink(Pager*);
SQLITE_PRIVATE void sqlite3PagerSetFlags(Pager*,unsigned);
SQLITE_PRIVATE int sqlite3PagerLockingMode(Pager *, int);
SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *, int);
SQLITE_PRIVATE int sqlite3PagerGetJournalMode(Pager*);
SQLITE_PRIVATE int sqlite3PagerOkToChangeJournalMode(Pager*);
SQLITE_PRIVATE i64 sqlite3PagerJournalSizeLimit(Pager *, i64);
SQLITE_PRIVATE sqlite3_backup **sqlite3PagerBackupPtr(Pager*);

................................................................................
#define ENC(db) ((db)->aDb[0].pSchema->enc)

/*
** Possible values for the sqlite3.flags.
*/
#define SQLITE_VdbeTrace      0x00000001  /* True to trace VDBE execution */
#define SQLITE_InternChanges  0x00000002  /* Uncommitted Hash table changes */
#define SQLITE_FullFSync      0x00000004  /* Use full fsync on the backend */
#define SQLITE_CkptFullFSync  0x00000008  /* Use full fsync for checkpoint */
#define SQLITE_CacheSpill     0x00000010  /* OK to spill pager cache */
#define SQLITE_FullColNames   0x00000020  /* Show full column names on SELECT */
#define SQLITE_ShortColNames  0x00000040  /* Show short columns names */
#define SQLITE_CountRows      0x00000080  /* Count rows changed by INSERT, */
                                          /*   DELETE, or UPDATE and return */
                                          /*   the count using a callback. */
#define SQLITE_NullCallback   0x00000100  /* Invoke the callback once if the */
                                          /*   result set is empty */
#define SQLITE_SqlTrace       0x00000200  /* Debug print SQL as it executes */
#define SQLITE_VdbeListing    0x00000400  /* Debug listings of VDBE programs */
#define SQLITE_WriteSchema    0x00000800  /* OK to update SQLITE_MASTER */
#define SQLITE_VdbeAddopTrace 0x00001000  /* Trace sqlite3VdbeAddOp() calls */
#define SQLITE_IgnoreChecks   0x00002000  /* Do not enforce check constraints */
#define SQLITE_ReadUncommitted 0x0004000  /* For shared-cache mode */
#define SQLITE_LegacyFileFmt  0x00008000  /* Create new databases in format 1 */


#define SQLITE_RecoveryMode   0x00010000  /* Ignore schema errors */
#define SQLITE_ReverseOrder   0x00020000  /* Reverse unordered SELECTs */
#define SQLITE_RecTriggers    0x00040000  /* Enable recursive triggers */
#define SQLITE_ForeignKeys    0x00080000  /* Enforce foreign key constraints  */
#define SQLITE_AutoIndex      0x00100000  /* Enable automatic indexes */
#define SQLITE_PreferBuiltin  0x00200000  /* Preference to built-in funcs */
#define SQLITE_LoadExtension  0x00400000  /* Enable load_extension */
#define SQLITE_EnableTrigger  0x00800000  /* True to enable triggers */
#define SQLITE_DeferFKs       0x01000000  /* Defer all FK constraints */
#define SQLITE_QueryOnly      0x02000000  /* Disable database changes */


/*
** Bits of the sqlite3.dbOptFlags field that are used by the
** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to
** selectively disable various optimizations.
*/
................................................................................
  Pgno nOrig;                  /* Original number of pages in file */
  Pgno iSubRec;                /* Index of first record in sub-journal */
#ifndef SQLITE_OMIT_WAL
  u32 aWalData[WAL_SAVEPOINT_NDATA];        /* WAL savepoint context */
#endif
};

/*
** Bits of the Pager.doNotSpill flag.  See further description below.
*/
#define SPILLFLAG_OFF         0x01      /* Never spill cache.  Set via pragma */
#define SPILLFLAG_ROLLBACK    0x02      /* Current rolling back, so do not spill */
#define SPILLFLAG_NOSYNC      0x04      /* Spill is ok, but do not sync */

/*
** A open page cache is an instance of struct Pager. A description of
** some of the more important member variables follows:
**
** eState
**
**   The current 'state' of the pager object. See the comment and state
................................................................................
**   subsequently interrupted transaction that reuses the journal file.
**
**   The flag is cleared as soon as the journal file is finalized (either
**   by PagerCommitPhaseTwo or PagerRollback). If an IO error prevents the
**   journal file from being successfully finalized, the setMaster flag
**   is cleared anyway (and the pager will move to ERROR state).
**
** doNotSpill
**
**   This variables control the behavior of cache-spills  (calls made by
**   the pcache module to the pagerStress() routine to write cached data
**   to the file-system in order to free up memory).
**
**   When bits SPILLFLAG_OFF or SPILLFLAG_ROLLBACK of doNotSpill are set,
**   writing to the database from pagerStress() is disabled altogether.
**   The SPILLFLAG_ROLLBACK case is done in a very obscure case that
**   comes up during savepoint rollback that requires the pcache module
**   to allocate a new page to prevent the journal file from being written
**   while it is being traversed by code in pager_playback().  The SPILLFLAG_OFF
**   case is a user preference.
** 
**   If the SPILLFLAG_NOSYNC bit is set, writing to the database from pagerStress()
**   is permitted, but syncing the journal file is not. This flag is set
**   by sqlite3PagerWrite() when the file-system sector-size is larger than
**   the database page-size in order to prevent a journal sync from happening 
**   in between the journalling of two pages on the same sector. 
**
** subjInMemory
**
................................................................................
  ** "configuration" of the pager.
  */
  u8 eState;                  /* Pager state (OPEN, READER, WRITER_LOCKED..) */
  u8 eLock;                   /* Current lock held on database file */
  u8 changeCountDone;         /* Set after incrementing the change-counter */
  u8 setMaster;               /* True if a m-j name has been written to jrnl */
  u8 doNotSpill;              /* Do not spill the cache when non-zero */

  u8 subjInMemory;            /* True to use in-memory sub-journals */
  Pgno dbSize;                /* Number of pages in the database */
  Pgno dbOrigSize;            /* dbSize before the current transaction */
  Pgno dbFileSize;            /* Number of pages in the database file */
  Pgno dbHintSize;            /* Value passed to FCNTL_SIZE_HINT call */
  int errCode;                /* One of several kinds of errors */
  int nRec;                   /* Pages journalled since last j-header written */
................................................................................
    **
    ** The solution is to add an in-memory page to the cache containing
    ** the data just read from the sub-journal. Mark the page as dirty 
    ** and if the pager requires a journal-sync, then mark the page as 
    ** requiring a journal-sync before it is written.
    */
    assert( isSavepnt );
    assert( (pPager->doNotSpill & SPILLFLAG_ROLLBACK)==0 );
    pPager->doNotSpill |= SPILLFLAG_ROLLBACK;
    rc = sqlite3PagerAcquire(pPager, pgno, &pPg, 1);
    assert( (pPager->doNotSpill & SPILLFLAG_ROLLBACK)!=0 );
    pPager->doNotSpill &= ~SPILLFLAG_ROLLBACK;
    if( rc!=SQLITE_OK ) return rc;
    pPg->flags &= ~PGHDR_NEED_READ;
    sqlite3PcacheMakeDirty(pPg);
  }
  if( pPg ){
    /* No page should ever be explicitly rolled back that is in use, except
    ** for page 1 which is held in use in order to keep the lock on the
................................................................................
** Free as much memory as possible from the pager.
*/
SQLITE_PRIVATE void sqlite3PagerShrink(Pager *pPager){
  sqlite3PcacheShrink(pPager->pPCache);
}

/*
** Adjust settings of the pager to those specified in the pgFlags parameter.
**
** The "level" in pgFlags & PAGER_SYNCHRONOUS_MASK sets the robustness
** of the database to damage due to OS crashes or power failures by
** changing the number of syncs()s when writing the journals.
** There are three levels:
**
**    OFF       sqlite3OsSync() is never called.  This is the default
**              for temporary and transient files.
**
**    NORMAL    The journal is synced once before writes begin on the
**              database.  This is normally adequate protection, but
**              it is theoretically possible, though very unlikely,
................................................................................
** synchronous=FULL versus synchronous=NORMAL setting determines when
** the xSync primitive is called and is relevant to all platforms.
**
** Numeric values associated with these states are OFF==1, NORMAL=2,
** and FULL=3.
*/
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
SQLITE_PRIVATE void sqlite3PagerSetFlags(
  Pager *pPager,        /* The pager to set safety level for */
  unsigned pgFlags      /* Various flags */


){
  unsigned level = pgFlags & PAGER_SYNCHRONOUS_MASK;
  assert( level>=1 && level<=3 );
  pPager->noSync =  (level==1 || pPager->tempFile) ?1:0;
  pPager->fullSync = (level==3 && !pPager->tempFile) ?1:0;
  if( pPager->noSync ){
    pPager->syncFlags = 0;
    pPager->ckptSyncFlags = 0;
  }else if( pgFlags & PAGER_FULLFSYNC ){
    pPager->syncFlags = SQLITE_SYNC_FULL;
    pPager->ckptSyncFlags = SQLITE_SYNC_FULL;
  }else if( pgFlags & PAGER_CKPT_FULLFSYNC ){
    pPager->syncFlags = SQLITE_SYNC_NORMAL;
    pPager->ckptSyncFlags = SQLITE_SYNC_FULL;
  }else{
    pPager->syncFlags = SQLITE_SYNC_NORMAL;
    pPager->ckptSyncFlags = SQLITE_SYNC_NORMAL;
  }
  pPager->walSyncFlags = pPager->syncFlags;
  if( pPager->fullSync ){
    pPager->walSyncFlags |= WAL_SYNC_TRANSACTIONS;
  }
  if( pgFlags & PAGER_CACHESPILL ){
    pPager->doNotSpill &= ~SPILLFLAG_OFF;
  }else{
    pPager->doNotSpill |= SPILLFLAG_OFF;
  }
}
#endif

/*
** The following global variable is incremented whenever the library
** attempts to open a temporary file.  This information is used for
** testing and analysis only.  
................................................................................
static int pagerStress(void *p, PgHdr *pPg){
  Pager *pPager = (Pager *)p;
  int rc = SQLITE_OK;

  assert( pPg->pPager==pPager );
  assert( pPg->flags&PGHDR_DIRTY );

  /* The doNotSpill NOSYNC bit is set during times when doing a sync of
  ** journal (and adding a new header) is not allowed.  This occurs
  ** during calls to sqlite3PagerWrite() while trying to journal multiple
  ** pages belonging to the same sector.
  **
  ** The doNotSpill ROLLBACK and OFF bits inhibits all cache spilling
  ** regardless of whether or not a sync is required.  This is set during
  ** a rollback or by user request, respectively.
  **
  ** Spilling is also prohibited when in an error state since that could
  ** lead to database corruption.   In the current implementaton it 
  ** is impossible for sqlite3PcacheFetch() to be called with createFlag==1
  ** while in the error state, hence it is impossible for this routine to
  ** be called in the error state.  Nevertheless, we include a NEVER()
  ** test for the error state as a safeguard against future changes.
  */
  if( NEVER(pPager->errCode) ) return SQLITE_OK;
  testcase( pPager->doNotSpill & SPILLFLAG_ROLLBACK );
  testcase( pPager->doNotSpill & SPILLFLAG_OFF );
  testcase( pPager->doNotSpill & SPILLFLAG_NOSYNC );
  if( pPager->doNotSpill
   && ((pPager->doNotSpill & (SPILLFLAG_ROLLBACK|SPILLFLAG_OFF))!=0
      || (pPg->flags & PGHDR_NEED_SYNC)!=0)
  ){
    return SQLITE_OK;
  }

  pPg->pDirty = 0;
  if( pagerUseWal(pPager) ){
    /* Write a single frame for this page to the log. */
    if( subjRequiresPage(pPg) ){ 
................................................................................
  if( nPagePerSector>1 ){
    Pgno nPageCount;          /* Total number of pages in database file */
    Pgno pg1;                 /* First page of the sector pPg is located on. */
    int nPage = 0;            /* Number of pages starting at pg1 to journal */
    int ii;                   /* Loop counter */
    int needSync = 0;         /* True if any page has PGHDR_NEED_SYNC */

    /* Set the doNotSpill NOSYNC bit to 1. This is because we cannot allow
    ** a journal header to be written between the pages journaled by
    ** this function.
    */
    assert( !MEMDB );
    assert( (pPager->doNotSpill & SPILLFLAG_NOSYNC)==0 );
    pPager->doNotSpill |= SPILLFLAG_NOSYNC;

    /* This trick assumes that both the page-size and sector-size are
    ** an integer power of 2. It sets variable pg1 to the identifier
    ** of the first page of the sector pPg is located on.
    */
    pg1 = ((pPg->pgno-1) & ~(nPagePerSector-1)) + 1;

................................................................................
        if( pPage ){
          pPage->flags |= PGHDR_NEED_SYNC;
          sqlite3PagerUnref(pPage);
        }
      }
    }

    assert( (pPager->doNotSpill & SPILLFLAG_NOSYNC)!=0 );
    pPager->doNotSpill &= ~SPILLFLAG_NOSYNC;
  }else{
    rc = pager_write(pDbPage);
  }
  return rc;
}

/*
................................................................................
** how well the database resists damage due to OS crashes and power
** failures.  Level 1 is the same as asynchronous (no syncs() occur and
** there is a high probability of damage)  Level 2 is the default.  There
** is a very low but non-zero probability of damage.  Level 3 reduces the
** probability of damage to near zero but with a write performance reduction.
*/
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
SQLITE_PRIVATE int sqlite3BtreeSetPagerFlags(
  Btree *p,              /* The btree to set the safety level on */
  unsigned pgFlags       /* Various PAGER_* flags */


){
  BtShared *pBt = p->pBt;
  assert( sqlite3_mutex_held(p->db->mutex) );

  sqlite3BtreeEnter(p);

  sqlite3PagerSetFlags(pBt->pPager, pgFlags);
  sqlite3BtreeLeave(p);
  return SQLITE_OK;
}
#endif

/*
** Return TRUE if the given btree is set to safety level 1.  In other
................................................................................
  }

  /* This is the only way out of this procedure.  We have to
  ** release the mutexes on btrees that were acquired at the
  ** top. */
vdbe_return:
  db->lastRowid = lastRowid;
  testcase( nVmStep>0 );
  p->aCounter[SQLITE_STMTSTATUS_VM_STEP-1] += (int)nVmStep;
  sqlite3VdbeLeave(p);
  return rc;

  /* Jump to here if a string or blob larger than SQLITE_MAX_LENGTH
  ** is encountered.
  */
................................................................................
        "attached databases must use the same text encoding as main database");
      rc = SQLITE_ERROR;
    }
    pPager = sqlite3BtreePager(aNew->pBt);
    sqlite3PagerLockingMode(pPager, db->dfltLockMode);
    sqlite3BtreeSecureDelete(aNew->pBt,
                             sqlite3BtreeSecureDelete(db->aDb[0].pBt,-1) );
    sqlite3BtreeSetPagerFlags(aNew->pBt, 3 | (db->flags & PAGER_FLAGS_MASK));
  }
  aNew->safety_level = 3;
  aNew->zName = sqlite3DbStrDup(db, zName);
  if( rc==SQLITE_OK && aNew->zName==0 ){
    rc = SQLITE_NOMEM;
  }

................................................................................
    sqlite3BeginWriteOperation(pParse, 1, iDb);
    sqlite3VdbeAddOp2(v, OP_CreateIndex, iDb, iMem);

    /* Gather the complete text of the CREATE INDEX statement into
    ** the zStmt variable
    */
    if( pStart ){
      int n = (int)(pParse->sLastToken.z - pName->z) + pParse->sLastToken.n;
      if( pName->z[n-1]==';' ) n--;
      /* A named index with an explicit CREATE INDEX statement */
      zStmt = sqlite3MPrintf(db, "CREATE%s INDEX %.*s",
        onError==OE_None ? "" : " UNIQUE", n, pName->z);
    }else{
      /* An automatic index created by a PRIMARY KEY or UNIQUE constraint */
      /* zStmt = sqlite3MPrintf(""); */
................................................................................
    memcpy(pI64, &value, sizeof(value));
  }
  sqlite3VdbeAddOp4(v, OP_Int64, 0, mem, 0, (char*)pI64, P4_INT64);
  sqlite3VdbeSetNumCols(v, 1);
  sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLabel, SQLITE_STATIC);
  sqlite3VdbeAddOp2(v, OP_ResultRow, mem, 1);
}


/*
** Set the safety_level and pager flags for pager iDb.  Or if iDb<0
** set these values for all pagers.
*/
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
static void setAllPagerFlags(sqlite3 *db){
  if( db->autoCommit ){
    Db *pDb = db->aDb;
    int n = db->nDb;
    assert( SQLITE_FullFSync==PAGER_FULLFSYNC );
    assert( SQLITE_CkptFullFSync==PAGER_CKPT_FULLFSYNC );
    assert( SQLITE_CacheSpill==PAGER_CACHESPILL );
    assert( (PAGER_FULLFSYNC | PAGER_CKPT_FULLFSYNC | PAGER_CACHESPILL)
             ==  PAGER_FLAGS_MASK );
    assert( (pDb->safety_level & PAGER_SYNCHRONOUS_MASK)==pDb->safety_level );
    while( (n--) > 0 ){
      if( pDb->pBt ){
        sqlite3BtreeSetPagerFlags(pDb->pBt,
                 pDb->safety_level | (db->flags & PAGER_FLAGS_MASK) );
      }
      pDb++;
    }
  }
}
#endif


#ifndef SQLITE_OMIT_FLAG_PRAGMAS
/*
** Check to see if zRight and zLeft refer to a pragma that queries
** or changes one of the flags in db->flags.  Return 1 if so and 0 if not.
** Also, implement the pragma.
*/
................................................................................
    { "full_column_names",        SQLITE_FullColNames  },
    { "short_column_names",       SQLITE_ShortColNames },
    { "count_changes",            SQLITE_CountRows     },
    { "empty_result_callbacks",   SQLITE_NullCallback  },
    { "legacy_file_format",       SQLITE_LegacyFileFmt },
    { "fullfsync",                SQLITE_FullFSync     },
    { "checkpoint_fullfsync",     SQLITE_CkptFullFSync },
    { "cache_spill",              SQLITE_CacheSpill    },
    { "reverse_unordered_selects", SQLITE_ReverseOrder  },
    { "query_only",               SQLITE_QueryOnly     },
#ifndef SQLITE_OMIT_AUTOMATIC_INDEX
    { "automatic_index",          SQLITE_AutoIndex     },
#endif
#ifdef SQLITE_DEBUG
    { "sql_trace",                SQLITE_SqlTrace      },
................................................................................
      returnSingleInt(pParse, "synchronous", pDb->safety_level-1);
    }else{
      if( !db->autoCommit ){
        sqlite3ErrorMsg(pParse, 
            "Safety level may not be changed inside a transaction");
      }else{
        pDb->safety_level = getSafetyLevel(zRight,0,1)+1;
        setAllPagerFlags(db);
      }
    }
  }else
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */

#ifndef SQLITE_OMIT_FLAG_PRAGMAS
  if( flagPragma(pParse, zLeft, zRight) ){
    setAllPagerFlags(db);

  }else
#endif /* SQLITE_OMIT_FLAG_PRAGMAS */

#ifndef SQLITE_OMIT_SCHEMA_PRAGMAS
  /*
  **   PRAGMA table_info(<table>)
  **
................................................................................
#endif
  }else
#endif

 
  {/* Empty ELSE clause */}












pragma_out:
  sqlite3DbFree(db, zLeft);
  sqlite3DbFree(db, zRight);
}

#endif /* SQLITE_OMIT_PRAGMA */

................................................................................
  WhereOrSet sSum, sCur, sPrev;
  struct SrcList_item *pItem;
  
  pWC = pBuilder->pWC;
  if( pWInfo->wctrlFlags & WHERE_AND_ONLY ) return SQLITE_OK;
  pWCEnd = pWC->a + pWC->nTerm;
  pNew = pBuilder->pNew;
  memset(&sSum, 0, sizeof(sSum));

  for(pTerm=pWC->a; pTerm<pWCEnd && rc==SQLITE_OK; pTerm++){
    if( (pTerm->eOperator & WO_OR)!=0
     && (pTerm->u.pOrInfo->indexable & pNew->maskSelf)!=0 
    ){
      WhereClause * const pOrWC = &pTerm->u.pOrInfo->wc;
      WhereTerm * const pOrWCEnd = &pOrWC->a[pOrWC->nTerm];
................................................................................

  assert( sizeof(db->aLimit)==sizeof(aHardLimit) );
  memcpy(db->aLimit, aHardLimit, sizeof(db->aLimit));
  db->autoCommit = 1;
  db->nextAutovac = -1;
  db->szMmap = sqlite3GlobalConfig.szMmap;
  db->nextPagesize = 0;
  db->flags |= SQLITE_ShortColNames | SQLITE_EnableTrigger | SQLITE_CacheSpill
#if !defined(SQLITE_DEFAULT_AUTOMATIC_INDEX) || SQLITE_DEFAULT_AUTOMATIC_INDEX
                 | SQLITE_AutoIndex
#endif
#if SQLITE_DEFAULT_FILE_FORMAT<4
                 | SQLITE_LegacyFileFmt
#endif
#ifdef SQLITE_ENABLE_LOAD_EXTENSION

Changes to src/sqlite3.h.

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**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.8.0"
#define SQLITE_VERSION_NUMBER 3008000
#define SQLITE_SOURCE_ID      "2013-08-15 22:40:21 f2d175f975cd0be63425424ec322a98fb650019e"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version, sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros







|







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**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.8.0"
#define SQLITE_VERSION_NUMBER 3008000
#define SQLITE_SOURCE_ID      "2013-08-19 11:15:48 a0d9ca4f07f1dc3a189864f8ed9cdb0b1d791b1a"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version, sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros